River Eden upstream of Kirby Stephen

EA name: RIVER EDEN UPSTREAM OF KIRBY STEPHEN
Environment Agency sampling point NW-88006160 · Freshwater - rivers · listed as open (“open” does not mean it is sampled now)

These are samples taken on a date, not live readings of the river. Results reach the Environment Agency's archive days to months after the sample is taken, so the newest here may be weeks or months old. FloodRadar does not grade them.

Where and when

Last sampled
13 Apr 2026, 12:106 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
23 since 17 Jun 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Monitoring (national agency policy)
Where
National Grid 377300, 507508As published, to the nearest 1 m. Open in a map
River, by its own name
Eden
River, by the map
River EdenPlaced on the river its name gives, 41 m from the line.
Next gauge downstream
Kirkby Stephen On the River Eden · 3.0 km along the river
Why it was sampled
Monitoring (national agency policy) (23 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

103.5%

Sampled 13 Apr 2026, 6 months ago · 23 results banked

9095100105110%20242025202617 Jun 2024, 11:56: 103.4%30 Jul 2024, 09:32: 102.3%28 Aug 2024, 14:01: 102.4%27 Sep 2024, 12:35: 100.4%22 Oct 2024, 10:56: 102.8%20 Nov 2024, 13:27: 102.1%6 Dec 2024, 11:17: 104.7%30 Jan 2025, 12:21: 103.9%17 Feb 2025, 14:52: 104.1%12 Mar 2025, 10:52: 104.5%11 Apr 2025, 12:57: 107.2%13 May 2025, 11:13: 100.5%6 Jun 2025, 11:57: 104.7%31 Jul 2025, 11:41: 94.4%18 Aug 2025, 10:55: 102.2%11 Sep 2025, 11:28: 103.1%28 Oct 2025, 11:11: 104.1%7 Nov 2025, 11:47: 103.8%9 Dec 2025, 13:10: 107.3%20 Jan 2026, 12:19: 104.3%25 Feb 2026, 15:06: 102.9%13 Mar 2026, 11:02: 102.5%13 Apr 2026, 12:10: 103.5%
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:10103.5 103.5%
13 Mar 2026, 11:02102.5 102.5%
25 Feb 2026, 15:06102.9 102.9%
20 Jan 2026, 12:19104.3 104.3%
9 Dec 2025, 13:10107.3 107.3%
7 Nov 2025, 11:47103.8 103.8%
28 Oct 2025, 11:11104.1 104.1%
11 Sep 2025, 11:28103.1 103.1%
18 Aug 2025, 10:55102.2 102.2%
31 Jul 2025, 11:4194.4 94.4%
6 Jun 2025, 11:57104.7 104.7%
13 May 2025, 11:13100.5 100.5%
11 Apr 2025, 12:57107.2 107.2%
12 Mar 2025, 10:52104.5 104.5%
17 Feb 2025, 14:52104.1 104.1%
30 Jan 2025, 12:21103.9 103.9%
6 Dec 2024, 11:17104.7 104.7%
20 Nov 2024, 13:27102.1 102.1%
22 Oct 2024, 10:56102.8 102.8%
27 Sep 2024, 12:35100.4 100.4%
28 Aug 2024, 14:01102.4 102.4%
30 Jul 2024, 09:32102.3 102.3%
17 Jun 2024, 11:56103.4 103.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

12.3 mg/l

Sampled 13 Apr 2026, 6 months ago · 23 results banked

810121416mg/l20242025202617 Jun 2024, 11:56: 11.2 mg/l30 Jul 2024, 09:32: 10.3 mg/l28 Aug 2024, 14:01: 10.5 mg/l27 Sep 2024, 12:35: 11.5 mg/l22 Oct 2024, 10:56: 11.7 mg/l20 Nov 2024, 13:27: 14.3 mg/l6 Dec 2024, 11:17: 12.9 mg/l30 Jan 2025, 12:21: 13.7 mg/l17 Feb 2025, 14:52: 13.8 mg/l12 Mar 2025, 10:52: 13.5 mg/l11 Apr 2025, 12:57: 11.5 mg/l13 May 2025, 11:13: 10.5 mg/l6 Jun 2025, 11:57: 11.7 mg/l31 Jul 2025, 11:41: 9.37 mg/l18 Aug 2025, 10:55: 10 mg/l11 Sep 2025, 11:28: 11 mg/l28 Oct 2025, 11:11: 12.1 mg/l7 Nov 2025, 11:47: 11.4 mg/l9 Dec 2025, 13:10: 12.4 mg/l20 Jan 2026, 12:19: 12.9 mg/l25 Feb 2026, 15:06: 12.2 mg/l13 Mar 2026, 11:02: 12.8 mg/l13 Apr 2026, 12:10: 12.3 mg/l
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:1012.3 12.3 mg/l
13 Mar 2026, 11:0212.8 12.8 mg/l
25 Feb 2026, 15:0612.2 12.2 mg/l
20 Jan 2026, 12:1912.9 12.9 mg/l
9 Dec 2025, 13:1012.4 12.4 mg/l
7 Nov 2025, 11:4711.4 11.4 mg/l
28 Oct 2025, 11:1112.1 12.1 mg/l
11 Sep 2025, 11:2811 11 mg/l
18 Aug 2025, 10:5510 10 mg/l
31 Jul 2025, 11:419.37 9.37 mg/l
6 Jun 2025, 11:5711.7 11.7 mg/l
13 May 2025, 11:1310.5 10.5 mg/l
11 Apr 2025, 12:5711.5 11.5 mg/l
12 Mar 2025, 10:5213.5 13.5 mg/l
17 Feb 2025, 14:5213.8 13.8 mg/l
30 Jan 2025, 12:2113.7 13.7 mg/l
6 Dec 2024, 11:1712.9 12.9 mg/l
20 Nov 2024, 13:2714.3 14.3 mg/l
22 Oct 2024, 10:5611.7 11.7 mg/l
27 Sep 2024, 12:3511.5 11.5 mg/l
28 Aug 2024, 14:0110.5 10.5 mg/l
30 Jul 2024, 09:3210.3 10.3 mg/l
17 Jun 2024, 11:5611.2 11.2 mg/l

Water temperature

code 0076 · °C

7.7 °C

Sampled 13 Apr 2026, 6 months ago · 23 results banked

05101520°C20242025202617 Jun 2024, 11:56: 11.5 °C30 Jul 2024, 09:32: 15.1 °C28 Aug 2024, 14:01: 14 °C27 Sep 2024, 12:35: 9.4 °C22 Oct 2024, 10:56: 9.6 °C20 Nov 2024, 13:27: 1.4 °C6 Dec 2024, 11:17: 6.4 °C30 Jan 2025, 12:21: 3.6 °C17 Feb 2025, 14:52: 3.4 °C12 Mar 2025, 10:52: 4.6 °C11 Apr 2025, 12:57: 12.2 °C13 May 2025, 11:13: 13.4 °C6 Jun 2025, 11:57: 10.4 °C31 Jul 2025, 11:41: 15.6 °C18 Aug 2025, 10:55: 16.1 °C11 Sep 2025, 11:28: 12.4 °C28 Oct 2025, 11:11: 8.8 °C7 Nov 2025, 11:47: 10.9 °C9 Dec 2025, 13:10: 9.1 °C20 Jan 2026, 12:19: 6.2 °C25 Feb 2026, 15:06: 7.9 °C13 Mar 2026, 11:02: 5.8 °C13 Apr 2026, 12:10: 7.7 °C
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:107.7 7.7 °C
13 Mar 2026, 11:025.8 5.8 °C
25 Feb 2026, 15:067.9 7.9 °C
20 Jan 2026, 12:196.2 6.2 °C
9 Dec 2025, 13:109.1 9.1 °C
7 Nov 2025, 11:4710.9 10.9 °C
28 Oct 2025, 11:118.8 8.8 °C
11 Sep 2025, 11:2812.4 12.4 °C
18 Aug 2025, 10:5516.1 16.1 °C
31 Jul 2025, 11:4115.6 15.6 °C
6 Jun 2025, 11:5710.4 10.4 °C
13 May 2025, 11:1313.4 13.4 °C
11 Apr 2025, 12:5712.2 12.2 °C
12 Mar 2025, 10:524.6 4.6 °C
17 Feb 2025, 14:523.4 3.4 °C
30 Jan 2025, 12:213.6 3.6 °C
6 Dec 2024, 11:176.4 6.4 °C
20 Nov 2024, 13:271.4 1.4 °C
22 Oct 2024, 10:569.6 9.6 °C
27 Sep 2024, 12:359.4 9.4 °C
28 Aug 2024, 14:0114 14 °C
30 Jul 2024, 09:3215.1 15.1 °C
17 Jun 2024, 11:5611.5 11.5 °C

pH

code 0061

8.25

Sampled 13 Apr 2026, 6 months ago · 23 results banked

7.57.7588.258.58.7520242025202617 Jun 2024, 11:56: 8.0330 Jul 2024, 09:32: 8.2528 Aug 2024, 14:01: 8.2127 Sep 2024, 12:35: 8.1422 Oct 2024, 10:56: 8.0420 Nov 2024, 13:27: 8.146 Dec 2024, 11:17: 7.9230 Jan 2025, 12:21: 8.1717 Feb 2025, 14:52: 8.5912 Mar 2025, 10:52: 8.5611 Apr 2025, 12:57: 8.3113 May 2025, 11:13: 8.326 Jun 2025, 11:57: 7.8731 Jul 2025, 11:41: 8.4618 Aug 2025, 10:55: 8.4611 Sep 2025, 11:28: 8.4428 Oct 2025, 11:11: 7.917 Nov 2025, 11:47: 8.059 Dec 2025, 13:10: 7.6320 Jan 2026, 12:19: 8.3225 Feb 2026, 15:06: 8.0713 Mar 2026, 11:02: 7.8613 Apr 2026, 12:10: 8.25
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:108.25 8.25
13 Mar 2026, 11:027.86 7.86
25 Feb 2026, 15:068.07 8.07
20 Jan 2026, 12:198.32 8.32
9 Dec 2025, 13:107.63 7.63
7 Nov 2025, 11:478.05 8.05
28 Oct 2025, 11:117.91 7.91
11 Sep 2025, 11:288.44 8.44
18 Aug 2025, 10:558.46 8.46
31 Jul 2025, 11:418.46 8.46
6 Jun 2025, 11:577.87 7.87
13 May 2025, 11:138.32 8.32
11 Apr 2025, 12:578.31 8.31
12 Mar 2025, 10:528.56 8.56
17 Feb 2025, 14:528.59 8.59
30 Jan 2025, 12:218.17 8.17
6 Dec 2024, 11:177.92 7.92
20 Nov 2024, 13:278.14 8.14
22 Oct 2024, 10:568.04 8.04
27 Sep 2024, 12:358.14 8.14
28 Aug 2024, 14:018.21 8.21
30 Jul 2024, 09:328.25 8.25
17 Jun 2024, 11:568.03 8.03

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.002 mg/l (not detected above this)

Sampled 13 Apr 2026, 6 months ago · 23 results banked

00.010.020.030.04mg/l20242025202617 Jun 2024, 11:56: 0.0093 mg/l30 Jul 2024, 09:32: 0.0065 mg/l28 Aug 2024, 14:01: below 0.002 mg/l (not detected above this)27 Sep 2024, 12:35: 0.0038 mg/l22 Oct 2024, 10:56: below 0.002 mg/l (not detected above this)20 Nov 2024, 13:27: 0.0026 mg/l6 Dec 2024, 11:17: below 0.002 mg/l (not detected above this)30 Jan 2025, 12:21: 0.0079 mg/l17 Feb 2025, 14:52: 0.0031 mg/l12 Mar 2025, 10:52: 0.012 mg/l11 Apr 2025, 12:57: 0.0091 mg/l13 May 2025, 11:13: 0.038 mg/l6 Jun 2025, 11:57: 0.018 mg/l31 Jul 2025, 11:41: 0.0055 mg/l18 Aug 2025, 10:55: 0.0076 mg/l11 Sep 2025, 11:28: 0.0047 mg/l28 Oct 2025, 11:11: below 0.002 mg/l (not detected above this)7 Nov 2025, 11:47: below 0.002 mg/l (not detected above this)9 Dec 2025, 13:10: 0.0043 mg/l20 Jan 2026, 12:19: 0.0028 mg/l25 Feb 2026, 15:06: 0.0032 mg/l13 Mar 2026, 11:02: 0.0077 mg/l13 Apr 2026, 12:10: below 0.002 mg/l (not detected above this)
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:10<0.002 below 0.002 mg/l (not detected above this)
13 Mar 2026, 11:020.0077 0.0077 mg/l
25 Feb 2026, 15:060.0032 0.0032 mg/l
20 Jan 2026, 12:190.0028 0.0028 mg/l
9 Dec 2025, 13:100.0043 0.0043 mg/l
7 Nov 2025, 11:47<0.002 below 0.002 mg/l (not detected above this)
28 Oct 2025, 11:11<0.002 below 0.002 mg/l (not detected above this)
11 Sep 2025, 11:280.0047 0.0047 mg/l
18 Aug 2025, 10:550.0076 0.0076 mg/l
31 Jul 2025, 11:410.0055 0.0055 mg/l
6 Jun 2025, 11:570.018 0.018 mg/l
13 May 2025, 11:130.038 0.038 mg/l
11 Apr 2025, 12:570.0091 0.0091 mg/l
12 Mar 2025, 10:520.012 0.012 mg/l
17 Feb 2025, 14:520.0031 0.0031 mg/l
30 Jan 2025, 12:210.0079 0.0079 mg/l
6 Dec 2024, 11:17<0.002 below 0.002 mg/l (not detected above this)
20 Nov 2024, 13:270.0026 0.0026 mg/l
22 Oct 2024, 10:56<0.002 below 0.002 mg/l (not detected above this)
27 Sep 2024, 12:350.0038 0.0038 mg/l
28 Aug 2024, 14:01<0.002 below 0.002 mg/l (not detected above this)
30 Jul 2024, 09:320.0065 0.0065 mg/l
17 Jun 2024, 11:560.0093 0.0093 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.409 mg/l

Sampled 13 Apr 2026, 6 months ago · 23 results banked

00.20.40.60.8mg/l20242025202617 Jun 2024, 11:56: 0.119 mg/l30 Jul 2024, 09:32: 0.278 mg/l28 Aug 2024, 14:01: 0.119 mg/l27 Sep 2024, 12:35: 0.289 mg/l22 Oct 2024, 10:56: 0.299 mg/l20 Nov 2024, 13:27: 0.299 mg/l6 Dec 2024, 11:17: 0.549 mg/l30 Jan 2025, 12:21: 0.668 mg/l17 Feb 2025, 14:52: 0.509 mg/l12 Mar 2025, 10:52: 0.439 mg/l11 Apr 2025, 12:57: 0.348 mg/l13 May 2025, 11:13: 0.404 mg/l6 Jun 2025, 11:57: 0.199 mg/l31 Jul 2025, 11:41: 0.269 mg/l18 Aug 2025, 10:55: 0.229 mg/l11 Sep 2025, 11:28: 0.169 mg/l28 Oct 2025, 11:11: 0.249 mg/l7 Nov 2025, 11:47: 0.569 mg/l9 Dec 2025, 13:10: 0.409 mg/l20 Jan 2026, 12:19: 0.669 mg/l25 Feb 2026, 15:06: 0.649 mg/l13 Mar 2026, 11:02: 0.559 mg/l13 Apr 2026, 12:10: 0.409 mg/l
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:100.409 0.409 mg/l
13 Mar 2026, 11:020.559 0.559 mg/l
25 Feb 2026, 15:060.649 0.649 mg/l
20 Jan 2026, 12:190.669 0.669 mg/l
9 Dec 2025, 13:100.409 0.409 mg/l
7 Nov 2025, 11:470.569 0.569 mg/l
28 Oct 2025, 11:110.249 0.249 mg/l
11 Sep 2025, 11:280.169 0.169 mg/l
18 Aug 2025, 10:550.229 0.229 mg/l
31 Jul 2025, 11:410.269 0.269 mg/l
6 Jun 2025, 11:570.199 0.199 mg/l
13 May 2025, 11:130.404 0.404 mg/l
11 Apr 2025, 12:570.348 0.348 mg/l
12 Mar 2025, 10:520.439 0.439 mg/l
17 Feb 2025, 14:520.509 0.509 mg/l
30 Jan 2025, 12:210.668 0.668 mg/l
6 Dec 2024, 11:170.549 0.549 mg/l
20 Nov 2024, 13:270.299 0.299 mg/l
22 Oct 2024, 10:560.299 0.299 mg/l
27 Sep 2024, 12:350.289 0.289 mg/l
28 Aug 2024, 14:010.119 0.119 mg/l
30 Jul 2024, 09:320.278 0.278 mg/l
17 Jun 2024, 11:560.119 0.119 mg/l

Phosphate

orthophosphate, reactive, as P · code 0180 · mg/l

below 0.001 mg/l (not detected above this)

Sampled 13 Apr 2026, 6 months ago · 23 results banked

00.0050.010.015mg/l20242025202617 Jun 2024, 11:56: 0.0054 mg/l30 Jul 2024, 09:32: 0.0025 mg/l28 Aug 2024, 14:01: 0.0045 mg/l27 Sep 2024, 12:35: 0.0047 mg/l22 Oct 2024, 10:56: 0.004 mg/l20 Nov 2024, 13:27: 0.0045 mg/l6 Dec 2024, 11:17: 0.0061 mg/l30 Jan 2025, 12:21: 0.0036 mg/l17 Feb 2025, 14:52: 0.002 mg/l12 Mar 2025, 10:52: 0.0011 mg/l11 Apr 2025, 12:57: below 0.001 mg/l (not detected above this)13 May 2025, 11:13: 0.0014 mg/l6 Jun 2025, 11:57: 0.0021 mg/l31 Jul 2025, 11:41: 0.0037 mg/l18 Aug 2025, 10:55: 0.0019 mg/l11 Sep 2025, 11:28: 0.0033 mg/l28 Oct 2025, 11:11: 0.0036 mg/l7 Nov 2025, 11:47: 0.0047 mg/l9 Dec 2025, 13:10: 0.014 mg/l20 Jan 2026, 12:19: 0.0053 mg/l25 Feb 2026, 15:06: 0.0035 mg/l13 Mar 2026, 11:02: 0.0098 mg/l13 Apr 2026, 12:10: below 0.001 mg/l (not detected above this)
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:10<0.001 below 0.001 mg/l (not detected above this)
13 Mar 2026, 11:020.0098 0.0098 mg/l
25 Feb 2026, 15:060.0035 0.0035 mg/l
20 Jan 2026, 12:190.0053 0.0053 mg/l
9 Dec 2025, 13:100.014 0.014 mg/l
7 Nov 2025, 11:470.0047 0.0047 mg/l
28 Oct 2025, 11:110.0036 0.0036 mg/l
11 Sep 2025, 11:280.0033 0.0033 mg/l
18 Aug 2025, 10:550.0019 0.0019 mg/l
31 Jul 2025, 11:410.0037 0.0037 mg/l
6 Jun 2025, 11:570.0021 0.0021 mg/l
13 May 2025, 11:130.0014 0.0014 mg/l
11 Apr 2025, 12:57<0.001 below 0.001 mg/l (not detected above this)
12 Mar 2025, 10:520.0011 0.0011 mg/l
17 Feb 2025, 14:520.002 0.002 mg/l
30 Jan 2025, 12:210.0036 0.0036 mg/l
6 Dec 2024, 11:170.0061 0.0061 mg/l
20 Nov 2024, 13:270.0045 0.0045 mg/l
22 Oct 2024, 10:560.004 0.004 mg/l
27 Sep 2024, 12:350.0047 0.0047 mg/l
28 Aug 2024, 14:010.0045 0.0045 mg/l
30 Jul 2024, 09:320.0025 0.0025 mg/l
17 Jun 2024, 11:560.0054 0.0054 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

182 µS/cm

Sampled 13 Apr 2026, 6 months ago · 23 results banked

100200300400µS/cm20242025202617 Jun 2024, 11:56: 126 µS/cm30 Jul 2024, 09:32: 250 µS/cm28 Aug 2024, 14:01: 147 µS/cm27 Sep 2024, 12:35: 177 µS/cm22 Oct 2024, 10:56: 178 µS/cm20 Nov 2024, 13:27: 224 µS/cm6 Dec 2024, 11:17: 182 µS/cm30 Jan 2025, 12:21: 237 µS/cm17 Feb 2025, 14:52: 260 µS/cm12 Mar 2025, 10:52: 266 µS/cm11 Apr 2025, 12:57: 280 µS/cm13 May 2025, 11:13: 353 µS/cm6 Jun 2025, 11:57: 112 µS/cm31 Jul 2025, 11:41: 274 µS/cm18 Aug 2025, 10:55: 277 µS/cm11 Sep 2025, 11:28: 203 µS/cm28 Oct 2025, 11:11: 116 µS/cm7 Nov 2025, 11:47: 201 µS/cm9 Dec 2025, 13:10: 105 µS/cm20 Jan 2026, 12:19: 188 µS/cm25 Feb 2026, 15:06: 186 µS/cm13 Mar 2026, 11:02: 139 µS/cm13 Apr 2026, 12:10: 182 µS/cm
Every result (23)
SampledResult as publishedReads as
13 Apr 2026, 12:10182 182 µS/cm
13 Mar 2026, 11:02139 139 µS/cm
25 Feb 2026, 15:06186 186 µS/cm
20 Jan 2026, 12:19188 188 µS/cm
9 Dec 2025, 13:10105 105 µS/cm
7 Nov 2025, 11:47201 201 µS/cm
28 Oct 2025, 11:11116 116 µS/cm
11 Sep 2025, 11:28203 203 µS/cm
18 Aug 2025, 10:55277 277 µS/cm
31 Jul 2025, 11:41274 274 µS/cm
6 Jun 2025, 11:57112 112 µS/cm
13 May 2025, 11:13353 353 µS/cm
11 Apr 2025, 12:57280 280 µS/cm
12 Mar 2025, 10:52266 266 µS/cm
17 Feb 2025, 14:52260 260 µS/cm
30 Jan 2025, 12:21237 237 µS/cm
6 Dec 2024, 11:17182 182 µS/cm
20 Nov 2024, 13:27224 224 µS/cm
22 Oct 2024, 10:56178 178 µS/cm
27 Sep 2024, 12:35177 177 µS/cm
28 Aug 2024, 14:01147 147 µS/cm
30 Jul 2024, 09:32250 250 µS/cm
17 Jun 2024, 11:56126 126 µS/cm

Everything measured here

75 determinands, each kept by its code, unit and sample material: results in different units or on different materials are never mixed. A “below” result is under the laboratory's detection limit, not zero.

Show all 75 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 23 Jun 2024 – Apr 2026 103.5% 13 Apr 2026
Oxygen, Dissolved as O2 9924 River water 23 Jun 2024 – Apr 2026 12.3 mg/l 13 Apr 2026
Temperature of Water 0076 River water 23 Jun 2024 – Apr 2026 7.7 °C 13 Apr 2026
pH 0061 River water 23 Jun 2024 – Apr 2026 8.25 13 Apr 2026
Ammoniacal Nitrogen as N 0111 River water 23 Jun 2024 – Apr 2026 below 0.002 mg/l 13 Apr 2026
Nitrate as N 0117 River water 23 Jun 2024 – Apr 2026 0.409 mg/l 13 Apr 2026
Orthophosphate, reactive as P 0180 River water 23 Jun 2024 – Apr 2026 below 0.001 mg/l 13 Apr 2026
Conductivity at 25 C 0077 River water 23 Jun 2024 – Apr 2026 182 µS/cm 13 Apr 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
3-Perfluoroheptylpropanoic acid 2925 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 25 Feb 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
5:3 Fluorotelomer betaine 2886 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 25 Feb 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 25 Feb 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 25 Feb 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 25 Feb 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 25 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 23 Jun 2024 – Apr 2026 77 mg/l 13 Apr 2026
Ammonia un-ionised as N 0119 River water 23 Jun 2024 – Apr 2026 below 0.00003 mg/l 13 Apr 2026
BOD : 5 Day ATU 0085 River water 21 Jun 2024 – Apr 2026 1.6 mg/l 13 Apr 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Feb 2026 – Feb 2026 0.0012 µg/l 25 Feb 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
N-methylperfluorooctanesulfonamide 2975 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
Nitrite as N 0118 River water 23 Jun 2024 – Apr 2026 below 0.001 mg/l 13 Apr 2026
Nitrogen, Total Oxidised as N 0116 River water 23 Jun 2024 – Apr 2026 0.41 mg/l 13 Apr 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorobutanesulfonic acid 2972 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorobutanoic acid 2995 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorodecanesulfonic acid 2969 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorodecanoic acid 8892 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorododecane sulfonic acid 2968 River water 1 Feb 2026 – Feb 2026 below 0.005 µg/l 25 Feb 2026
Perfluorododecanoic acid 8894 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
Perfluoroheptanesulfonic acid 2967 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoroheptanoic acid 8889 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorohexanesulfonamide 2965 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorohexanesulfonic acid (B) 2944 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorohexanesulfonic acid (L) 2964 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorohexanoic acid 8888 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorononanesulfonic acid 2963 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorononanoic acid 8891 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorooctadecanoic acid 2962 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
Perfluorooctanesulfonamide 2961 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorooctanoic acid 8890 River water 1 Feb 2026 – Feb 2026 0.00058 µg/l 25 Feb 2026
Perfluoropentanesulfonic acid 2957 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 25 Feb 2026
Perfluoropentanoic acid 8887 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026
Perfluorotetradecanoic acid 8895 River water 1 Feb 2026 – Feb 2026 below 0.006 µg/l 25 Feb 2026
Perfluorotridecanoic acid 2955 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 25 Feb 2026
Perfluoroundecane sulfonic acid 2953 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 25 Feb 2026
Perfluoroundecanoic acid 8893 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 25 Feb 2026

FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.

Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.

Contains OS data © Crown copyright and database rights 2026.